Lincoln Electric SVM145-B Welder User Manual


 
TROUBLESHOOTING & REPAIR
F-99 F-99
COMMANDER 300
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STATOR/ROTOR REMOVAL AND REPLACEMENT (continued)
16. Using the 7/16" wrench, disconnect stator
lead #6 from the auxiliary power stud on the
left side of the control box. See Figure F.48.
17. With the 3/8" wrench, disconnect lead #5
from the center ground stud (nearest the
control transformer). See Figure F.48.
18. Using the phillips screw driver, remove lead
#3 from the top 50A circuit breaker for the
120/240V receptacle. See Figure F.48.
NOTE: This lead must be wound two turns clock-
wise through the toroid (opposite in direction from
lead #6A).
19. Disconnect lead #5A from the auxiliary
power ground stud (left side of the control
box, next to the 120V circuit breaker). See
Figure F.48.
20. Using the 3/8 wrench, remove the two
screws holding the control box to the top of
the fan baffle.
FIGURE F.47 – LEADS #68A/#69A BOLTED CONNECTIONS
POWER
MODULE
ASSEMBLY
BOLTED
CONNECTION-
LEADS 68A / 69A
POWER STUD &
LEADS #5A, #6
GROUND STUD
& LEAD #5
TOP 50A
CIRCUIT BREAKER
(LEAD #3 ON BACK)
FIGURE F.48 – CONTROL BOX LEADS